Research Article

B7-H4 Expression in Precancerous Lesions of the Uterine Cervix

Table 1

Patient characteristics as well as factors associated with the absence of lesions in excised conization tissues in patients who had undergone uterine cervical biopsies ().

CharacteristicsGroupLesion in excision specimens, (%) value
PresentAbsent

Age (years)≤35277245 (88.4)32 (11.6)0.413
>35530458 (86.4)72 (13.6)

MenopauseYes6545 (69.2)20 (30.8)<0.001
No742658 (88.7)84 (11.3)

Referral cytologyNILM4336 (83.7)7 (16.3)0.038
ASCUS/LSIL377323 (85.7)54 (14.3)
ASC-H/HSIL210196 (93.3)14 (6.6)
Cancer76 (85.7)1 (14.3)

Referral HPV DNA ()Positive577501 (86.8)76 (13.2)0.01
Negative5440 (74.0)14 (26.0)

Punch biopsyCIN14334 (79.0)9 (20.9)<0.01
CIN2259206 (79.5)53 (20.5)
CIN3504462 (91.7)42 (8.3)

Number of biopsies<4134119 (88.8)15 (11.2)0.760
4612532 (86.9)80 (13.1)
>46152 (85.2)9 (14.8)

Colposcopy examination ()Adequacy327292 (89.3)35 (10.7)0.039
Inadequacy8468 (81.0)16 (19.0)

Glandular involvement ()Free418348 (83.3)70 (16.7)<0.01
Involved379347 (91.6)32 (8.4)

Depth of conization≤18 mm333279 (83.8)54 (16.2)0.022
>18 mm468418 (89.3)50 (10.7)

Interval between biopsy and excision (months)<1428370 (86.4)58 (13.6)0.918
1–2153134 (87.6)19 (12.4)
2–32924 (82.8)5 (17.2)
>33026 (86.7)4 (13.3)

Conization methodsCKC563502 (89.2)61 (10.8)0.008
LEEP243200 (82.3)43 (17.7)

CKC: cold knife conization; LEEP: loop electrosurgical excision procedure; CIN: cervical intraepithelial neoplasia; HPV: human papilloma virus; TCT: thin-prep test; ASCUS: atypical squamous cells; LSIL: low-grade squamous intraepithelial lesion; ASC-H: atypical squamous cells (cannot exclude high-grade squamous intraepithelial lesions); HSIL: high-grade squamous intraepithelial lesion; NILM: negative for intraepithelial lesion or malignancy.